The fourth round and beyond are where general managers and team scouts earn their paychecks. The ability to go down their big boards and find a diamond in the rough is intrinsic to their franchise's long-term success.

Let's take a look at how the fourth round is going to play out and see which general managers have really done their homework this offseason.

96. St. Louis Rams: Bobby Massie, OT, Ole Miss

The Rams have addressed other needs, but still need work on their offensive line. Massie is a project, but will develop into a solid NFL lineman.

St. Louis' top priority needs to be keeping Sam Bradford healthy. Massie will add depth early in his career and eventually start at right tackle.